package eu.jk.web.client;

import javax.servlet.http.HttpServletRequest;
/**
 * 获取客户端信息
 * @author wenjianwzz
 * @version 0.5 
 */
public class ClientAnalyst {
	HttpServletRequest request;

	public ClientAnalyst(HttpServletRequest request) {
		this.request = request;
	}

	/**
	 * 获取IP
	 * @return IP
	 */
	public String getIpAddr() {
		String ip = request.getHeader("x-forwarded-for");
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("Proxy-Client-IP");
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("WL-Proxy-Client-IP");
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getRemoteAddr();
		}
		return ip;
	}
}
